Thanks Gabor. I wasn't aware of that. I will upgrade to the latest version of gdata. ----- Try http://prettygraph.com Pretty Graph , the easiest way to make R-powered graphs on the web. -- View this message in context: http://n4.nabble.com/export-tables-to-Excel-files-tp1565679p1566669.html Sent from the R help mailing list archive at Nabble.com.